1 files changed, 40 insertions, 0 deletions
diff --git a/odb/tracer/database.cxx b/odb/tracer/database.cxx
new file mode 100644
index 0000000..5d59c16
--- /dev/null
+++ b/odb/tracer/database.cxx
@@ -0,0 +1,40 @@
+// file      : odb/tracer/database.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/session.hxx>
+#include <odb/transaction.hxx>
+#include <odb/tracer/database.hxx>
+
+namespace odb
+{
+  namespace tracer
+  {
+    database::
+    ~database ()
+    {
+    }
+
+    transaction_impl* database::
+    begin_transaction ()
+    {
+      if (odb::transaction::has_current ())
+        throw already_in_transaction ();
+
+      if (session::has_current ())
+        return new transaction_impl (*this, session::current ());
+      else
+        return new transaction_impl (*this);
+    }
+
+    transaction_impl* database::
+    begin_transaction (session& s)
+    {
+      if (odb::transaction::has_current ())
+        throw already_in_transaction ();
+
+      return new transaction_impl (*this, s);
+    }
+  }
+}